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 * and open the template in the editor.
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package it.unitn.science.matr155863_148346_145963.bccastestore.servlet;

import it.unitn.science.matr155863_148346_145963.bccastestore.DBManager;
import it.unitn.science.matr155863_148346_145963.bccastestore.items.Asta;
import it.unitn.science.matr155863_148346_145963.bccastestore.items.Image;
import it.unitn.science.matr155863_148346_145963.bccastestore.items.Product;
import it.unitn.science.matr155863_148346_145963.bccastestore.items.User;
import it.unitn.science.matr155863_148346_145963.bccastestore.utils.AstaDetailsValidator;
import it.unitn.science.matr155863_148346_145963.bccastestore.utils.ProductDetailsValidator;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.UnavailableException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.xml.crypto.Data;
import org.apache.log4j.Logger;

/**
 *
 * @author Luciano
 */
public class AddAstaSRV extends HttpServlet {
    
    
    private DBManager db=null;
    private static Logger log = Logger.getLogger(RegisterUserSRV.class);
    
    @Override
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        try {
          db=(DBManager)super.getServletContext().getAttribute("db_manager");
        }catch(Exception e) {
            log.fatal(e);
            throw new UnavailableException(e.toString());
        }
    }

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session=request.getSession();
        String address="/contents/public/errorPage.jsp";
        try {
            Asta asta = AstaDetailsValidator.createAsta(request, db);
            User user=(User) session.getAttribute("user");
            if(asta.getProduct().getSellerId()!=user.getId()){
                session.setAttribute("error_message", "The product you are try to add isn't yours.You can't add it to an asta.");
            }else{
                try{
                    asta.setSellerId(user.getId());
                    asta.setSeller(user);
                    //Quando l asta scade se e stato aggiudicato il prodotto bisogna scalarne
                    //la quantita dal db!!!
                    Integer id=db.addAsta(asta);
                    asta.setId(id);
                    session.setAttribute("mess","The asta added:");
                    session.setAttribute("asta", asta);
                    address="/contents/user/astaDetails.jsp?id="+asta.getId();
                }catch(Exception ex){
                    log.error("Unable to add the asta\n"+ex);
                    session.setAttribute("error_message","Unable to add the asta");
                }
            }
        }catch(Exception ex){
                    address="/contents/user/addAsta.jsp";
                    session.setAttribute("error_on", ex.getMessage());
        } finally {    
                //RequestDispatcher dispatcher=request.getRequestDispatcher(address);
                //dispatcher.include(request, response);
            response.sendRedirect(request.getContextPath()+address);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
